CVE-2023-46733

CVSS 3.1 Score 6.5 of 10 (medium)

Details

Published Nov 10, 2023
Updated: Nov 16, 2023
CWE ID 384

Summary

CVE-2023-46733 is a vulnerability affecting the Symfony PHP framework, specifically versions 5.4.21 and 6.2.7 and earlier than 5.4.31 and 6.3.8. The issue lies within the `SessionStrategyListener`, which fails to regenerate sessions after every successful login. Instead, it only does so when the user identifier changes. However, in certain scenarios, the user identifier remains unchanged while the token type shifts from partially-authenticated to fully-authenticated. This vulnerability can lead to session fixation attacks, as the session ID should be regenerated to prevent such attacks. Symfony now addresses this issue by checking the token type, in addition to the user identifier, before deciding to regenerate the session ID.

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